Introduction Pixel 3rd Generation Wireless TTL Flash Trigger King Pro for Nikon is suitable for Nikon cameras. Using digital FSK 2.4GHz wireless remote control. Compared to the previous two generations, the effective remote control distance improved significantly to 300M or above. Also, we have made a very big change in the functional operation. Remote Control System System Mode: FSK 2.4GHz Wireless Remote Control System Remote Control Distance:300M or above Wireless Channel: 15 Fixed Channels and 1 Automatic Channel Function: Support the power zoom function Support group control function Support exposure lock Support three flash groups output different power flash Support ratio output function Support front-curtain sync, rear-curtain sync, high-speed sync Support high speed sync 1/8000S Support ISO, exposure compensation, FV lock and FP funtion Support one transmitter to control several receivers Support USB function Trigger Mode: Transmitter: Input support PC Receiver: Output support TTL, Trigger Cable Interface Interface: Transmitter: USB input Receiver: USB, PC Cable Output Socket Power Supply: Applicable Battery: AA x 2 (support 1.2V rechargeable battery) Standby Time: Transmitter: 500 hours;Receiver: 250 hours Continuous Work: Transmitter: 100 hours;Receiver: 120 hours Package Included: King Pro Transmitter x1 King X Receiver x1 USB cable x1 SF-18 Flash Stand Holder x1 Receiver holding mount x1(The holding mount is for studio lamp. It has double tape sticker) Hot shoe protection cover x1 Protector Soft Case x1 English User Manual x1